you can do almost anything in Photoshop but it can take a long time to learn what to do since it does not come with a manual and you have to scour the web for tutorials. Boosting saturation increases the intensity of all colours - boosting vibrance only boosts the colours that are not already over-cooked.

Two excellent Photoshop plugin sites: Nik and Topaz have bundles that do photoshop stuff much more easily and both have dozens of really great webinar tutorials. Photoshop Plugins like Viveza can transform colours in a picture so quickly and in so many different ways